81 lines
3.0 KiB
Java
81 lines
3.0 KiB
Java
/*
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* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.ws.client;
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/**
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* Content negotiation enum.
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* <p>
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* A value of {@link #none} means no content negotation at level of the
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* client transport will be performed to negotiate the encoding of XML infoset.
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* The default encoding will always be used.
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* <p>
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* A value of {@link #pessimistic} means the client transport will assume
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* the default encoding of XML infoset for an outbound message unless informed
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* otherwise by a previously received inbound message.
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* (The client transport initially and pessimistically assumes that a service
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* does not support anything other than the default encoding of XML infoset.)
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* <p>
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* A value of {@link #optimistic} means the client transport will assume
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* a non-default encoding of XML infoset for an outbound message.
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* (The client transport optimistically assumes that a service
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* supports the non-default encoding of XML infoset.)
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*
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* @author Paul.Sandoz@Sun.Com
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*/
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public enum ContentNegotiation {
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none,
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pessimistic,
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optimistic;
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/**
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* Property name for content negotiation on {@link RequestContext}.
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*/
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public static final String PROPERTY = "com.sun.xml.internal.ws.client.ContentNegotiation";
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/**
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* Obtain the content negotiation value from a system property.
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* <p>
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* This method will never throw a runtime exception.
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*
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* @return the content negotiation value.
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*/
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public static ContentNegotiation obtainFromSystemProperty() {
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try {
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String value = System.getProperty(PROPERTY);
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if (value == null) {
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return none;
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}
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return valueOf(value);
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} catch (Exception e) {
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// Default to none for any unrecognized value or any other
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// runtime exception thrown
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return none;
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}
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}
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}
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